431304343 has 8 divisors (see below), whose sum is σ = 439543296. Its totient is φ = 423103200.

The previous prime is 431304329. The next prime is 431304347. The reversal of 431304343 is 343403134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431304343 - 2⁵ = 431304311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431304347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14133 + ... + 32593.

It is an arithmetic number, because the mean of its divisors is an integer number (54942912).

Almost surely, 2^431304343 is an apocalyptic number.

431304343 is a deficient number, since it is larger than the sum of its proper divisors (8238953).

431304343 is a wasteful number, since it uses less digits than its factorization.

431304343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 431304343 is about 20767.8680417611. The cubic root of 431304343 is about 755.5466374436.

Adding to 431304343 its reverse (343403134), we get a palindrome (774707477).

The spelling of 431304343 in words is "four hundred thirty-one million, three hundred four thousand, three hundred forty-three".